发明申请
- 专利标题： ALGAE RESISTANT ROOFING GRANULES WITH CONTROLLED ALGAECIDE LEACHING RATES, ALGAE RESISTANT SHINGLES AND PROCESS FOR PRODUCING SAME
- 专利标题（中）： 具有控制硫酸盐浸出率的抗锯齿花岗岩，抗锯齿及其生产方法
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申请号： US12877921申请日： 2010-09-08
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公开(公告)号： US20110217515A1公开(公告)日： 2011-09-08
- 发明人: Keith C. Hong , Husnu M. Kalkanoglu , Ming L. Shiao , Anne B. Hardy , James A. Salvatore , Andrew G. Johnson, JR.
- 申请人： Keith C. Hong , Husnu M. Kalkanoglu , Ming L. Shiao , Anne B. Hardy , James A. Salvatore , Andrew G. Johnson, JR.
- 主分类号： E04D1/22
- IPC分类号： E04D1/22 ; B32B5/16 ; B05D7/00 ; B05D5/00 ; B05D5/06 ; B05D3/02
摘要：
Algae-resistant roofing granules are formed by extruding a mixture of mineral particles and a binder to form porous granule bodies, and algaecide is distributed in the pores. Release of the algaecide is controlled by the structure of the granules.
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